| ELEMENT | EINHEIT | STANDARD | STANDARD | STANDARD | STANDARD |
| Natriumhydrosulfit:Na2S2O4 | % | 74 Min | 85 Min | 88 Min | 90 Min |
| Wasser unlöslich | % | Max. 0,1 | Max. 0,05 | Max. 0,05 | Max. 0,05 |
| Natriumthiosulfat: Na2S2O3 | % | Max. 1,20 | Max. 1,20 | Max. 1,0 | Max. 0,8 |
| Natriummetabisulfit: Na2S2O5 | % | 5-7 | 5-7 | 5-7 | 5-7 |
| Natriumbisulfit:Na2SO3 | % | Max. 0,5 | Max. 0,5 | Max. 0,4 | Max. 0,3 |
| Natriumcarbonat: Na2CO3 | % | Max. 0.6-7 | Max. 0.6-7 | Max. 0.6-7 | Max. 0.6-7 |
| Zink (Zn) | % | Max. 1ppm | Max. 1ppm | Max. 1ppm | Max. 1ppm |
| Anderes Schwermetall (berechnet als Pb) | % | Max. 1ppm | Max. 1ppm | Max. 1ppm | Max. 1ppm |
| Fe | % | Max. 20ppm | Max. 20ppm | Max. 20ppm | Max. 20ppm |